Roland KR-17, KR-15 owner manual Troubleshooting, 180, No sound is heard, Case Cause/Remedy

Troubleshooting

If you think there’s a problem, read this first.

	Case	Cause/Remedy
	The power doesn’t	Is the power cord connected and plugged in
	come on	correctly? (p. 20)
	The button doesn’t	Is the panel locked? (p. 166)
	work	Turn the power off, then back on.
	Nothing appears	The KR uses a liquid-crystal screen, so text
		may not be displayed when the ambient
	on screen
		temperature is below freezing.
	Vertical lines
	appear in the	These occur due to the nature of a liquid
	screen/Color is	crystal display, and do not indicate a
	“washed out” at the	malfunction. They can be minimized by
	edges of the	adjusting the brightness of the screen (p. 24).
	screen
		The positioning of the touch screen may
	The touch screen	become displaced if some time has passed
	doesn’t respond	since it was last used. Take a look at
	correctly	“Calibrating the Touch Screen (Touch
		Screen)” (p. 165) to correct the positioning.
		Is the pedal connected correctly?
		Make sure the pedal cord extending from the
		stand is securely connected to the pedal
		connector on the rear of the unit (p. 20).
	Depressing a
		Has a different function been assigned to the
	pedal has no	pedal?
	effect, or the pedal	See “Assigning Functions to Pedals and
	effect doesn’t stop	Performance Pads (Pedal Setting/User
		Functions)” (p. 157).
		Normal pedal operation is automatically
		enabled when the One Touch Program
		[Piano] button is pressed (p. 21).
	The volume level	Could you be using a connection cable that
	of the instrument	contains a resistor?
	connected to Input	Use a connection cable that does not contain a
	jacks is too low	resistor.
		Is the external display properly connected (p. 23)?
		Is the external display’s power turned on?
		Are you using a display that is compatible
		with the KR?
	Images not shown	Refer to “Displays That Can Be Connected to
	on external display	This Instrument” (p. 23).
	when external
		Are the KR’s settings correct?
	display is
		Follow the instructions in “Selecting Images
	connected	To Be Shown on the KR and External Displays
		(User Image Display)” (p. 163) to set the
		“External Display” image. Also refer to
		“Changing the Settings for Showing Images
Appendices
		with the External Display (External Display)”
		(p. 163).

Case	Cause/Remedy
Low hum coming	Do you have different external devices
	plugged into different power outlets?
from external
	When connecting external devices, always
device
	draw power from the same outlet.
No sound is heard
	Is the volume level of the KR (p. 22) or
	connected device turned all the way down?
	Are headphones plugged in? (p. 22)
	Has the Balance knob been moved all the way
	to the right or left?
No sound is heard	Has the volume been set to “0” using the Part
	Balance? (p. 75)
	Are all sliders in the Equalizer screen at the
	minimum level? (p. 40)
	Has the footage been adjusted so that all
	frequency components aren’t sounded? (p. 15
	in the Quick Start)
	Have all devices been switched on?
No sound is heard	Are the MIDI cables connected correctly? (p.
	173)
(when a MIDI
	Does the MIDI channel match the connected
instrument is
	instrument? (p. 174)
connected)
	Is the Computer switch on the bottom of the
	KR set to “MIDI”? (p. 178)
You cannot use a	The MIDI connectors and the computer
	connector cannot be used at the same time.
connected MIDI	Confirm that the computer switch is set to
device and	“MIDI” when a MIDI device is connected to
computer	the MIDI connector, and to either “MAC,”
simultaneously	“PC-1,” “PC-2,” when a computer is
	connected to the Computer connector (p. 178).
No sound is heard	Has Local Control been set to “Off”?
	When Local Control is set to Off, no sound is
when the keyboard
	produced by playing the keyboard.
is played
	Set Local Control to On (p. 174).
	The maximum number of notes can play
	simultaneously is 128. Frequent use of the
Not all played	damper pedal during automatic
	accompaniment or when playing along with a
notes are sounded
	song on floppy disk may result in
	performance data with too many notes,
	causing some notes to drop out.

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